2520657470 has 32 divisors (see below), whose sum is σ = 4646937600. Its totient is φ = 983995936.

The previous prime is 2520657457. The next prime is 2520657479. The reversal of 2520657470 is 747560252.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520657479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161261 + ... + 176199.

It is an arithmetic number, because the mean of its divisors is an integer number (145216800).

Almost surely, 2^2520657470 is an apocalyptic number.

2520657470 is a deficient number, since it is larger than the sum of its proper divisors (2126280130).

2520657470 is a wasteful number, since it uses less digits than its factorization.

2520657470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15352.

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 2520657470 is about 50206.1497229174. The cubic root of 2520657470 is about 1360.9367591022.

The spelling of 2520657470 in words is "two billion, five hundred twenty million, six hundred fifty-seven thousand, four hundred seventy".